Trochida je red malih do vrlo velikih vetigastropoda, novijih i izumrlih morskih puževa sa škrgama i operkulumom.MolluscaBase (2018). Trochida. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=1052448 on 2019-01-06
Taksonomija
Još uvek postojeći trohomorfi potiču iz velike, arhaične klade.Zapata F., N.G. Wilson, M. Howison, S.C.S. Andrade, K.M. Jörger, M. Schr*odl, F. E. Goetz, G.Giribet & C.W. Dunn, 2014, Phylogenomic analyses of deep gastropod relationships reject orthogastropoda. Proceedings of the Royal Society of London, B, 281: 20141739 Prema Uribe et al. (2016) natporodice Angarioidea i Phasianelloidea su duboko ugnežđene u natporodici Trochoidea prema Vilijamsu (2012).Uribe J.E., Y. Kano, J. Templado & R. Zardoya, 2016a, Mitogenomics of Vetigastropoda: insights into the evolution of pallial symmetry. Zoologica Scripta, 45: 145–159.Williams, S.T., 2012, Advances in molecular systematics of the vetigastropod superfamily Trochoidea. Zoologica Scripta, 41(6): 571–595. Revidirana taksonomija (2017) Bušea et al. stoga prepoznaje samo natporodicu Trochoidea (uključujući Angarioidea i Phasianelloidea).
Nadfamilije
Trochoidea Rafinesque, 1815 Synonyms Angarioidea Gray, 1857: synonym of Trochoidea Rafinesque, 1815 Phasianelloidea Swainson, 1840: synonym of Trochoidea Rafinesque, 1815
Reference
Literatura
Bouchet P., Rocroi J.P., Hausdorf B., Kaim A., Kano Y., Nützel A., Parkhaev P., Schrödl M. & Strong E.E. (2017). Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia. 61(1-2): 1-526